# a = [1,2,3,1,2,3,1,2,3,1,2]
# b = []
# for i in a:
#     if i not in b:
#         b.append(i)
# print(b)

# a = [1,2,2,1]
# b = []
# for i in a:
#     b.insert(0,i)
# if a == b:
#     print("a是回文体")
# else:
#     print("a不是回文体")


# a = [1,6,2,9,0]
# times = len(a)-1
# while times > 0:
#     for i in range(times):
#         if a[i] > a[i+1]:
#             a[i],a[i+1] = a[i+1],a[i]
#     times = times-1
# print(a)

# a = [1,6,2,9,0]
# for i in range(len(a)-1):
#     b = 4-i
#     for n in range(b):
#         if a[n] > a[n+1]:
#             a[n],a[n+1] = a[n+1],a[n]
# print(a)


# a = input("shuru")
# i = 0
# while i <len(a):
#     print(a[i:i+8].ljust(8,'#'))
#     i = i+8

